acts as the photoactive site. The volcano demonstration involves igniting a pile of the salt, which initiates the following exothermic conversion:- (NH 4)...

cell was also known as the 'chromic acid cell', but principally as the 'bichromate cell'. This latter name came from the practice of producing the chromic...

Wallace-Crabbe (play) - Ingeborg Hansen (typography) - Virginia Wallace-Crabbe (bichromate photographs) - Phil Day (lino cut paper masks) Pandora’s Cat (2000) -...

printing was initially in monochrome. The basic underlying principle is that bichromate development of a silver gelatine photographic emulsion (not strictly a...

predominantly in non-silver processes, particularly carbro, bromoil, and gum bichromate, and on a variety of paper surfaces. Heavy manipulation of the negative...